245364542 has 4 divisors (see below), whose sum is σ = 368046816. Its totient is φ = 122682270.

The previous prime is 245364523. The next prime is 245364547. The reversal of 245364542 is 245463542.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245364547) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61341134 + ... + 61341137.

It is an arithmetic number, because the mean of its divisors is an integer number (92011704).

Almost surely, 2^245364542 is an apocalyptic number.

245364542 is a deficient number, since it is larger than the sum of its proper divisors (122682274).

245364542 is a wasteful number, since it uses less digits than its factorization.

245364542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122682273.

The product of its digits is 115200, while the sum is 35.

The square root of 245364542 is about 15664.1163810794. The cubic root of 245364542 is about 626.0426687530.

The spelling of 245364542 in words is "two hundred forty-five million, three hundred sixty-four thousand, five hundred forty-two".